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參數資料
型號: HT82K68A-L
廠商: Holtek Semiconductor Inc.
英文描述: Multimedia Keyboard Encoder 8-Bit MCU
中文描述: 多媒體鍵盤編碼器8位微控制器
文件頁數: 5/39頁
文件大小: 269K
代理商: HT82K68A-L
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
IL2
Input Low Voltage (RESET)
3V
0
0.7
V
5V
0
1.3
V
V
IH2
Input High Voltage (RESET)
3V
0.9V
DD
V
DD
V
5V
0.9V
DD
V
DD
V
V
LVR
Low Voltage Reset
2.0
V
I
OL
I/O Port Sink Current of PA, PB, PC,
PD, PE0~1
5V
V
OL
= 0.1V
DD
2
4
mA
I
OH
I/O Port Source Current of PA, PB,
PC, PD, PE0~4
5V
V
OH
= 0.9V
DD
2.5
4
mA
I
LED
LED Sink Current (SCR, NUM, CAP)
5V
V
OL
=3.4V
10
17
25
mA
t
POR
Power-on Reset Time
5V
R=100k , C=0.1 F
50
100
150
ms
R
PH
Internal Pull-high Resistance of PA,
PB, PC, PD, PE Port
3V
30
60
90
k
5V
15
30
45
k
R
PH1
Internal Pull-high Resistance of DATA,
CLK
3V
4
9
15
k
5V
2
4.7
8
k
f/f
Frequency Variation
5V
Crystal
1
%
f/f1
Frequency Variation
5V
RC
20
%
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS1
System Clock (Crystal OSC)
1.8V
4
MHz
5V
6
MHz
f
SYS2
System Clock (RC OSC)
3V
OSC resistor 40k
4.8
6
7.2
MHz
5V
OSC resistor 40k
4.8
6
7.2
MHz
t
WDTOSC
Watchdog Oscillator Period
3V
45
90
180
s
5V
35
78
130
s
t
WDT1
Watchdog Time-out Period (RC)
3V
Without WDT
prescaler
12
23
45
ms
5V
9
19
35
ms
t
WDT2
Watchdog Time-out Period
(System Clock)
Without WDT
prescaler
1024
t
SYS
t
RES
External Reset Low Pulse Width
1
s
t
SST
System Start-up Timer Period
Power-up or
wake-up from HALT
1024
t
SYS
t
INT
Interrupt Pulse Width
1
s
Note:
t
SYS
= 1/f
SYS1
or 1/f
SYS2
HT82K68E-L/HT82K68A-L
Rev. 1.00
5
August 9, 2007
相關PDF資料
PDF描述
HT82K68E-L Multimedia Keyboard Encoder 8-Bit MCU
HT82K68A 8-Bit High Performance Peripheral Interface IC For Multiple I/O Products and Multimedia Applications(8位高性能外圍接口集成芯片,用于多I/O口及多媒體器件)
HT82K68E 8-Bit High Performance Peripheral Interface IC For Multiple I/O Products and Multimedia Applications(8位高性能外圍接口集成芯片,用于多I/O口及多媒體器件)
HT82K68 Multimedia Keyboard Encoder OTP
HT82K94A USB Multimedia Keyboard Encoder 8-Bit MCU
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參數描述
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